Added the build of this project to the CI as well.

At the same time switched the CI to use LCG_96b, as nlohmann_json
only started appearing in LCG with that version.

.gitlab-ci.yml

@@ -24,16 +24,40 @@ before_script:
     - cmake -GNinja -DCMAKE_INSTALL_PREFIX=../dependencies-install ../GeoModelCore/
     - cmake --build . --target install
     - cd ../GeoModelIO-build/
-    - cmake -GNinja -DCMAKE_INSTALL_PREFIX=../dependencies-install -DCMAKE_PREFIX_PATH=../dependencies-install ../GeoModelIO/
+    - cmake -GNinja -DCMAKE_INSTALL_PREFIX=../dependencies-install -DCMAKE_PREFIX_PATH=${PWD}/../dependencies-install ../GeoModelIO/
     - cmake --build . --target install
   artifacts:
     paths:
       - dependencies-install/
 
-slc6_dependencies:
+dependencies:slc6:
   <<: *dependencies_template
   image: cern/slc6-base:latest
 
-centos7_dependencies:
+dependencies:centos7:
   <<: *dependencies_template
   image: cern/cc7-base:latest
+
+# Build this project.
+.build_template: &build_template
+  stage: build
+  tags:
+    - docker
+    - cvmfs
+  script:
+    - mkdir build
+    - cd build/
+    - cmake -GNinja -DCMAKE_BUILD_TYPE=Debug -DCMAKE_PREFIX_PATH=${PWD}/../dependencies-install ../
+    - cmake --build .
+
+build:slc6:
+  <<: *build_template
+  image: cern/slc6-base:latest
+  dependencies:
+    - dependencies:slc6
+
+build:centos7:
+  <<: *build_template
+  image: cern/cc7-base:latest
+  dependencies:
+    - dependencies:centos7

CI/setup_lcg.sh

@@ -8,16 +8,16 @@
 # determine os release
 if [ "$(cat /etc/redhat-release | grep 'Scientific Linux CERN SLC release 6')" ]; then
   os=slc6
-  compiler=gcc62-opt
+  compiler=gcc8-opt
 elif [ "$(cat /etc/centos-release | grep 'CentOS Linux release 7')" ]; then
   os=centos7
-  compiler=gcc7-opt
+  compiler=gcc9-opt
 else
   echo "Unknown OS" 1>&2
   exit 1
 fi
 
-release=LCG_95
+release=LCG_96b
 platform=x86_64-${os}-${compiler}
 lcg=/cvmfs/sft.cern.ch/lcg/views/${release}/${platform}